*for REStat paper, "Breastfeeding and Children's Early Cognitive Outcomes."

/* PSID DATA CENTER *****************************************************
   JOBID            : 96132                             
   DATA_DOMAIN      : PSID                              
   USER_WHERE       : NULL                              
   FILE_TYPE        : NULL                              
   OUTPUT_DATA_TYPE : ASCII                             
   STATEMENTS       : SAS Statements                    
   CODEBOOK_TYPE    : PDF                               
   N_OF_VARIABLES   : 185                               
   N_OF_OBSERVATIONS: 20870                             
   MAX_REC_LENGTH   : 336                               
   DATE & TIME      : May 5, 2009 @ 16:10:46
************************************************************************/

libname dd 'D:\local_c\bfeed3\psid3';

FILENAME relmom "D:\local_c\bfeed3\psid3\relmom.txt" ;

DATA dd.relmom ;
   ATTRIB
      V10002   FORMAT=F4.   LABEL="1984 INTERVIEW NUMBER"                   
      V10961   FORMAT=F1.   LABEL="L9 EDUCATION OF MO-WF"                   
      V10990   FORMAT=F1.   LABEL="M22-23 EDUC OF MOTHER-H"                 
      V11102   FORMAT=F4.   LABEL="1985 INTERVIEW NUMBER"                   
      V11923   FORMAT=F1.   LABEL="G16-17 EDUC OF MOTHER-H"                 
      V11981   FORMAT=F2.   LABEL="G57-58 RELIGIOUS PREF"                   
      V12278   FORMAT=F1.   LABEL="N16-17 EDUC OF MOTHER-WF"                
      V12336   FORMAT=F2.   LABEL="N57-58 RELIGIOUS PREF"                   
      V12502   FORMAT=F4.   LABEL="1986 INTERVIEW NUMBER"                   
      V13484   FORMAT=F1.   LABEL="K1 CKPT: WTR WIFE"                       
      V13486   FORMAT=F1.   LABEL="K4-5 EDUC OF MOTHER   WF"                
      V13530   FORMAT=F2.   LABEL="K42-43 RELIGIOUS PREF  W"                
      V13533   FORMAT=F1.   LABEL="L1 CKPT: WTR NEW HEAD"                   
      V13550   FORMAT=F1.   LABEL="L16-17 EDUC OF MOTHER  H"                
      V13604   FORMAT=F2.   LABEL="L55-56 RELIGIOUS PREF  H"                
      V13702   FORMAT=F4.   LABEL="1987 INTERVIEW NUMBER"                   
      V14531   FORMAT=F1.   LABEL="K1 CKPT: WTR WIFE"                       
      V14533   FORMAT=F1.   LABEL="K4-5 EDUC OF MOTHER   WF"                
      V14577   FORMAT=F2.   LABEL="K42-43 RELIGIOUS PREF  W"                
      V14580   FORMAT=F1.   LABEL="L1 CKPT: WTR NEW HEAD"                   
      V14597   FORMAT=F1.   LABEL="L16-17 EDUC OF MOTHER  H"                
      V14651   FORMAT=F2.   LABEL="L55-56 RELIGIOUS PREF  H"                
      V14802   FORMAT=F4.   LABEL="1988 INTERVIEW NUMBER"                   
      V15831   FORMAT=F2.   LABEL="ST OR COUNTRY OF MOTHER"                 
      V15888   FORMAT=F2.   LABEL="ST OR COUNTRY OF MOTHER"                 
      V16005   FORMAT=F1.   LABEL="K1 CKPT: WTR WIFE"                       
      V16007   FORMAT=F1.   LABEL="K4-5 EDUC OF MOTHER   WF"                
      V16051   FORMAT=F2.   LABEL="K42-43 RELIGIOUS PREF  W"                
      V16054   FORMAT=F1.   LABEL="L1 CKPT: WTR NEW HEAD"                   
      V16071   FORMAT=F1.   LABEL="L16-17 EDUC OF MOTHER  H"                
      V16125   FORMAT=F2.   LABEL="L55-56 RELIGIOUS PREF  H"                
      V16302   FORMAT=F4.   LABEL="1989 INTERVIEW NUMBER"                   
      V17402   FORMAT=F1.   LABEL="K1 CKPT: WTR WIFE"                       
      V17404   FORMAT=F1.   LABEL="K4-5 EDUC OF MOTHER   WF"                
      V17448   FORMAT=F2.   LABEL="K42-43 RELIGIOUS PREF  W"                
      V17451   FORMAT=F1.   LABEL="L1 CKPT: WTR NEW HEAD"                   
      V17468   FORMAT=F1.   LABEL="L16-17 EDUC OF MOTHER  H"                
      V17522   FORMAT=F2.   LABEL="L55-56 RELIGIOUS PREF  H"                
      V17702   FORMAT=F5.   LABEL="1990 INTERVIEW NUMBER 90"                
      V18733   FORMAT=F1.   LABEL="L1 CKPT: WTR WIFE"                       
      V18735   FORMAT=F1.   LABEL="L4-5 EDUC OF MOTHER   WF"                
      V18779   FORMAT=F2.   LABEL="L42-43 RELIGIOUS PREF  W"                
      V18799   FORMAT=F1.   LABEL="M16-17 EDUC OF MOTHER  H"                
      V18853   FORMAT=F2.   LABEL="M55-56 RELIGIOUS PREF  H"                
      V19002   FORMAT=F4.   LABEL="1991 INTERVIEW NUMBER"                   
      V20033   FORMAT=F1.   LABEL="K1 CKPT: WTR WIFE"                       
      V20035   FORMAT=F1.   LABEL="K4-5 EDUC OF MOTHER   WF"                
      V20079   FORMAT=F2.   LABEL="K42-43 RELIGIOUS PREF  W"                
      V20082   FORMAT=F1.   LABEL="L1 CKPT: WTR NEW HEAD"                   
      V20099   FORMAT=F1.   LABEL="L16-17 EDUC OF MOTHER  H"                
      V20153   FORMAT=F2.   LABEL="L55-56 RELIGIOUS PREF  H"                
      V20302   FORMAT=F4.   LABEL="1992 INTERVIEW NUMBER"                   
      V21339   FORMAT=F1.   LABEL="L1 CKPT: WTR NEW W/""W"""                
      V21341   FORMAT=F1.   LABEL="L4-5 EDUC OF MOTHER   WF"                
      V21385   FORMAT=F2.   LABEL="L42-43 RELIGIOUS PREF  W"                
      V21405   FORMAT=F1.   LABEL="M16-17 EDUC OF MOTHER  H"                
      V21459   FORMAT=F2.   LABEL="M55-56 RELIGIOUS PREF  H"                
      V21602   FORMAT=F5.   LABEL="1993 INTERVIEW NUMBER"                   
      V23196   FORMAT=F1.   LABEL="K1 CKPT: WTR NEW WF IN 1993"             
      V23198   FORMAT=F1.   LABEL="K4-5 EDUCATION OF WF MOTHER"             
      V23242   FORMAT=F2.   LABEL="K42-43 WF RELIGIOUS PREFERENCE"          
      V23245   FORMAT=F1.   LABEL="L1 CKPT: WTR NEW HEAD IN 1993"           
      V23261   FORMAT=F1.   LABEL="L16-17 EDUCATION OF HD MOTHER"           
      V23315   FORMAT=F2.   LABEL="L55-56 HD RELIGIOUS PREFERENCE"          
      ER2002   FORMAT=F5.   LABEL="1994 INTERVIEW #"                        
      ER3863   FORMAT=F1.   LABEL="K1 CKPT: WTR WIFE"                       
      ER3866   FORMAT=F2.   LABEL="K4 EDUC OF MOTHER WF"                    
      ER3913   FORMAT=F2.   LABEL="K42 RELIGIOUS PREF WF"                   
      ER3914   FORMAT=F2.   LABEL="K43 RELIG DEMOMINTN WF"                  
      ER3917   FORMAT=F1.   LABEL="L1 CKPT: WTR NEW HEAD"                   
      ER3926   FORMAT=F2.   LABEL="L16 EDUC OF MOTHER HD"                   
      ER3983   FORMAT=F2.   LABEL="L55 RELIGIOUS PREF HD"                   
      ER3984   FORMAT=F2.   LABEL="L56 RELIG DEMONINTN HD"                  
      ER5002   FORMAT=F5.   LABEL="1995 INTERVIEW #"                        
      ER6733   FORMAT=F1.   LABEL="K1 CKPT: WTR WIFE"                       
      ER6736   FORMAT=F2.   LABEL="K4 EDUC OF MOTHER WF"                    
      ER6783   FORMAT=F2.   LABEL="K42 RELIGIOUS PREF WF"                   
      ER6784   FORMAT=F2.   LABEL="K43 RELIG DEMOMINTN WF"                  
      ER6787   FORMAT=F1.   LABEL="L1 CKPT: WTR NEW HEAD"                   
      ER6796   FORMAT=F2.   LABEL="L16 EDUC OF MOTHER HD"                   
      ER6853   FORMAT=F2.   LABEL="L55 RELIGIOUS PREF HD"                   
      ER6854   FORMAT=F2.   LABEL="L56 RELIG DEMONINTN HD"                  
      ER7002   FORMAT=F4.   LABEL="1996 INTERVIEW #"                        
      ER8979   FORMAT=F1.   LABEL="K1 CKPT: WTR WIFE"                       
      ER8982   FORMAT=F2.   LABEL="K4 EDUC OF MOTHER WF"                    
      ER9029   FORMAT=F2.   LABEL="K42 RELIGIOUS PREF WF"                   
      ER9030   FORMAT=F2.   LABEL="K43 RELIG DEMOMINTN WF"                  
      ER9033   FORMAT=F1.   LABEL="L1 CKPT: WTR NEW HEAD"                   
      ER9042   FORMAT=F2.   LABEL="L16 EDUC OF MOTHER HD"                   
      ER9099   FORMAT=F2.   LABEL="L55 RELIGIOUS PREF HD"                   
      ER9100   FORMAT=F2.   LABEL="L56 RELIG DEMONINTN HD"                  
      ER10002  FORMAT=F5.   LABEL="1997 INTERVIEW #"                        
      ER11731  FORMAT=F1.   LABEL="K1 CKPT: WTR WIFE"                       
      ER11734  FORMAT=F1.   LABEL="K4/69 FTH EDUC IN US-WF"                 
      ER11740  FORMAT=F2.   LABEL="K12/77 ST MOTHER BORN-WF"                
      ER11742  FORMAT=F1.   LABEL="K14/79 MTHR EDUC IN US-W"                
      ER11743  FORMAT=F2.   LABEL="K15/80 ED OF MTH IN US-W"                
      ER11745  FORMAT=F1.   LABEL="K17/82 CKP MTH ED OUT US"                
      ER11746  FORMAT=F2.   LABEL="K18/83 YRS  ED MTH  OUT"                 
      ER11747  FORMAT=F1.   LABEL="K19/84 HGHST DEG MTH OUT"                
      ER11807  FORMAT=F2.   LABEL="K61 RELIGIOUS PREF-WF"                   
      ER11808  FORMAT=F2.   LABEL="K62 RELIG DENOMINTN-WF"                  
      ER11812  FORMAT=F1.   LABEL="L1 CKPT: WTR NEW HEAD"                   
      ER11821  FORMAT=F3.   LABEL="L12/85 ST MOTHER BORN-HD"                
      ER11823  FORMAT=F1.   LABEL="L14/87 MTHR EDUC IN US-H"                
      ER11824  FORMAT=F2.   LABEL="L15/88 ED OF MTH IN US-H"                
      ER11826  FORMAT=F1.   LABEL="L17/90 CKP MTH ED OUT US"                
      ER11827  FORMAT=F2.   LABEL="L18/91 YRS  ED MTH  OUT"                 
      ER11828  FORMAT=F1.   LABEL="L19/92 HGHST DEG MTH OUT"                
      ER11895  FORMAT=F2.   LABEL="L68 RELIGIOUS PREF-HD"                   
      ER11896  FORMAT=F2.   LABEL="L69 RELIG DENOMINTN-HD"                  
      ER13002  FORMAT=F5.   LABEL="1999 FAMILY INTERVIEW (ID) NUMBER"       
      ER15805  FORMAT=F1.   LABEL="K1 CKPT: WTR WIFE"                       
      ER15808  FORMAT=F1.   LABEL="K4/69 FTH EDUC IN US-WF"                 
      ER15815  FORMAT=F2.   LABEL="K12/77 ST MOTHER BORN-WF"                
      ER15817  FORMAT=F1.   LABEL="K14/79 MTHR EDUC IN US-W"                
      ER15818  FORMAT=F2.   LABEL="K15/80 ED OF MTH IN US-W"                
      ER15820  FORMAT=F1.   LABEL="K17/82 CKP MTH ED OUT US"                
      ER15821  FORMAT=F2.   LABEL="K18/83 YRS  ED MTH  OUT"                 
      ER15884  FORMAT=F2.   LABEL="K61 RELIGIOUS PREF-WF"                   
      ER15885  FORMAT=F2.   LABEL="K62 RELIG DENOMINTN-WF"                  
      ER15890  FORMAT=F1.   LABEL="L1 CKPT: WTR NEW HEAD"                   
      ER15900  FORMAT=F2.   LABEL="L12/85 ST MOTHER BORN-HD"                
      ER15902  FORMAT=F1.   LABEL="L14/87 MTHR EDUC IN US-H"                
      ER15903  FORMAT=F2.   LABEL="L15/88 ED OF MTH IN US-H"                
      ER15905  FORMAT=F1.   LABEL="L17/90 CKP MTH ED OUT US"                
      ER15906  FORMAT=F2.   LABEL="L18/91 YRS  ED MTH  OUT"                 
      ER15977  FORMAT=F2.   LABEL="L68 RELIGIOUS PREF-HD"                   
      ER15978  FORMAT=F2.   LABEL="L69 RELIG DENOMINTN-HD"                  
      ER17002  FORMAT=F4.   LABEL="2001 FAMILY INTERVIEW (ID) NUMBER"       
      ER19866  FORMAT=F1.   LABEL="K1 CKPT: WTR WIFE"                       
      ER19869  FORMAT=F1.   LABEL="K4/69 FTH EDUC IN US-WF"                 
      ER19876  FORMAT=F2.   LABEL="K12/77 ST MOTHER BORN-WF"                
      ER19878  FORMAT=F1.   LABEL="K14/79 MTHR EDUC IN US-W"                
      ER19879  FORMAT=F2.   LABEL="K15/80 ED OF MTH IN US-W"                
      ER19881  FORMAT=F1.   LABEL="K17/82 CKP MTH ED OUT US"                
      ER19882  FORMAT=F2.   LABEL="K18/83 YRS  ED MTH  OUT"                 
      ER19945  FORMAT=F2.   LABEL="K61 RELIGIOUS PREF-WF"                   
      ER19946  FORMAT=F2.   LABEL="K62 RELIG DENOMINTN-WF"                  
      ER19951  FORMAT=F1.   LABEL="L1 CKPT: WTR NEW HEAD"                   
      ER19961  FORMAT=F2.   LABEL="L12/85 ST MOTHER BORN-HD"                
      ER19963  FORMAT=F1.   LABEL="L14/87 MTHR EDUC IN US-H"                
      ER19964  FORMAT=F2.   LABEL="L15/88 ED OF MTH IN US-H"                
      ER19966  FORMAT=F1.   LABEL="L17/90 CKP MTH ED OUT US"                
      ER19967  FORMAT=F2.   LABEL="L18/91 YRS  ED MTH  OUT"                 
      ER20038  FORMAT=F2.   LABEL="L68 RELIGIOUS PREF-HD"                   
      ER20039  FORMAT=F2.   LABEL="L69 RELIG DENOMINTN-HD"                  
      ER21002  FORMAT=F5.   LABEL="2003 FAMILY INTERVIEW (ID) NUMBER"       
      ER23303  FORMAT=F1.   LABEL="K1 CKPT: WTR WIFE"                       
      ER23306  FORMAT=F1.   LABEL="K4/69 FTH EDUC IN US-WF"                 
      ER23313  FORMAT=F2.   LABEL="K12/77 ST MOTHER BORN-WF"                
      ER23315  FORMAT=F1.   LABEL="K14/79 MTHR EDUC IN US-W"                
      ER23316  FORMAT=F2.   LABEL="K15/80 ED OF MTH IN US-W"                
      ER23318  FORMAT=F1.   LABEL="K17/82 CKP MTH ED OUT US"                
      ER23319  FORMAT=F2.   LABEL="K18/83 YRS  ED MTH  OUT"                 
      ER23382  FORMAT=F2.   LABEL="K61 RELIGIOUS PREF-WF"                   
      ER23383  FORMAT=F2.   LABEL="K62 RELIG DENOMINTN-WF"                  
      ER23388  FORMAT=F1.   LABEL="L1 CKPT: WTR NEW HEAD"                   
      ER23398  FORMAT=F2.   LABEL="L12/85 ST MOTHER BORN-HD"                
      ER23400  FORMAT=F1.   LABEL="L14/87 MTHR EDUC IN US-H"                
      ER23401  FORMAT=F2.   LABEL="L15/88 ED OF MTH IN US-H"                
      ER23403  FORMAT=F1.   LABEL="L17/90 CKP MTH ED OUT US"                
      ER23404  FORMAT=F2.   LABEL="L18/91 YRS  ED MTH  OUT"                 
      ER23474  FORMAT=F2.   LABEL="L68 RELIGIOUS PREF-HD"                   
      ER23475  FORMAT=F2.   LABEL="L69 RELIG DENOMINTN-HD"                  
      ER25002  FORMAT=F5.   LABEL="2005 FAMILY INTERVIEW (ID) NUMBER"       
      ER27263  FORMAT=F1.   LABEL="K1 CKPT: WTR NEW WIFE IN FU"             
      ER27266  FORMAT=F1.   LABEL="K4 WTR FATHER EDUCATED IN US-WF"         
      ER27274  FORMAT=F2.   LABEL="K12 STATE WHERE MOTHER BORN-WF"          
      ER27276  FORMAT=F1.   LABEL="K14 WTR MOTHER EDUCATED IN US-WF"        
      ER27277  FORMAT=F2.   LABEL="K15 EDUCATION OF MOTHER IN US-WF"        
      ER27279  FORMAT=F1.   LABEL="K17 CKPT:  WTR MOTHER ED ALL IN US-WF"   
      ER27280  FORMAT=F2.   LABEL="K18 YRS FOREIGN EDUCATION OF MOTHR-WF"   
      ER27281  FORMAT=F1.   LABEL="K19 FOREIGN DEGREES OF MOTHER-WF"        
      ER27346  FORMAT=F2.   LABEL="K61 RELIGIOUS PREFERENCE-WF"             
      ER27347  FORMAT=F2.   LABEL="K62 RELIG DENOMINATION-WF"               
      ER27352  FORMAT=F1.   LABEL="L1 CKPT: WTR NEW HEAD IN FU"             
      ER27363  FORMAT=F2.   LABEL="L12 STATE WHERE MOTHER BORN-HD"          
      ER27365  FORMAT=F1.   LABEL="L14 WTR MOTHER EDUCATED IN US-H"         
      ER27366  FORMAT=F2.   LABEL="L15 EDUCATION OF MOTHER IN US-HD"        
      ER27368  FORMAT=F1.   LABEL="L17 CKPT:  WTR MOTHER ED ALL IN US-HD"   
      ER27369  FORMAT=F2.   LABEL="L18 YRS FOREIGN EDUCATION OF MOTHR-HD"   
      ER27370  FORMAT=F1.   LABEL="L19 FOREIGN DEGREES OF MOTHER-HD"        
      ER27442  FORMAT=F2.   LABEL="L68 RELIGIOUS PREFERENCE-HD"             
      ER27443  FORMAT=F2.   LABEL="L69 RELIG DENOMINATION-HD"               
   ;
   INFILE relmom LRECL = 336 ; 
   INPUT 
      V10002       1 - 4     V10961       5 - 5     V10990       6 - 6    
      V11102       7 - 10    V11923      11 - 11    V11981      12 - 13   
      V12278      14 - 14    V12336      15 - 16    V12502      17 - 20   
      V13484      21 - 21    V13486      22 - 22    V13530      23 - 24   
      V13533      25 - 25    V13550      26 - 26    V13604      27 - 28   
      V13702      29 - 32    V14531      33 - 33    V14533      34 - 34   
      V14577      35 - 36    V14580      37 - 37    V14597      38 - 38   
      V14651      39 - 40    V14802      41 - 44    V15831      45 - 46   
      V15888      47 - 48    V16005      49 - 49    V16007      50 - 50   
      V16051      51 - 52    V16054      53 - 53    V16071      54 - 54   
      V16125      55 - 56    V16302      57 - 60    V17402      61 - 61   
      V17404      62 - 62    V17448      63 - 64    V17451      65 - 65   
      V17468      66 - 66    V17522      67 - 68    V17702      69 - 73   
      V18733      74 - 74    V18735      75 - 75    V18779      76 - 77   
      V18799      78 - 78    V18853      79 - 80    V19002      81 - 84   
      V20033      85 - 85    V20035      86 - 86    V20079      87 - 88   
      V20082      89 - 89    V20099      90 - 90    V20153      91 - 92   
      V20302      93 - 96    V21339      97 - 97    V21341      98 - 98   
      V21385      99 - 100   V21405     101 - 101   V21459     102 - 103  
      V21602     104 - 108   V23196     109 - 109   V23198     110 - 110  
      V23242     111 - 112   V23245     113 - 113   V23261     114 - 114  
      V23315     115 - 116   ER2002     117 - 121   ER3863     122 - 122  
      ER3866     123 - 124   ER3913     125 - 126   ER3914     127 - 128  
      ER3917     129 - 129   ER3926     130 - 131   ER3983     132 - 133  
      ER3984     134 - 135   ER5002     136 - 140   ER6733     141 - 141  
      ER6736     142 - 143   ER6783     144 - 145   ER6784     146 - 147  
      ER6787     148 - 148   ER6796     149 - 150   ER6853     151 - 152  
      ER6854     153 - 154   ER7002     155 - 158   ER8979     159 - 159  
      ER8982     160 - 161   ER9029     162 - 163   ER9030     164 - 165  
      ER9033     166 - 166   ER9042     167 - 168   ER9099     169 - 170  
      ER9100     171 - 172   ER10002    173 - 177   ER11731    178 - 178  
      ER11734    179 - 179   ER11740    180 - 181   ER11742    182 - 182  
      ER11743    183 - 184   ER11745    185 - 185   ER11746    186 - 187  
      ER11747    188 - 188   ER11807    189 - 190   ER11808    191 - 192  
      ER11812    193 - 193   ER11821    194 - 196   ER11823    197 - 197  
      ER11824    198 - 199   ER11826    200 - 200   ER11827    201 - 202  
      ER11828    203 - 203   ER11895    204 - 205   ER11896    206 - 207  
      ER13002    208 - 212   ER15805    213 - 213   ER15808    214 - 214  
      ER15815    215 - 216   ER15817    217 - 217   ER15818    218 - 219  
      ER15820    220 - 220   ER15821    221 - 222   ER15884    223 - 224  
      ER15885    225 - 226   ER15890    227 - 227   ER15900    228 - 229  
      ER15902    230 - 230   ER15903    231 - 232   ER15905    233 - 233  
      ER15906    234 - 235   ER15977    236 - 237   ER15978    238 - 239  
      ER17002    240 - 243   ER19866    244 - 244   ER19869    245 - 245  
      ER19876    246 - 247   ER19878    248 - 248   ER19879    249 - 250  
      ER19881    251 - 251   ER19882    252 - 253   ER19945    254 - 255  
      ER19946    256 - 257   ER19951    258 - 258   ER19961    259 - 260  
      ER19963    261 - 261   ER19964    262 - 263   ER19966    264 - 264  
      ER19967    265 - 266   ER20038    267 - 268   ER20039    269 - 270  
      ER21002    271 - 275   ER23303    276 - 276   ER23306    277 - 277  
      ER23313    278 - 279   ER23315    280 - 280   ER23316    281 - 282  
      ER23318    283 - 283   ER23319    284 - 285   ER23382    286 - 287  
      ER23383    288 - 289   ER23388    290 - 290   ER23398    291 - 292  
      ER23400    293 - 293   ER23401    294 - 295   ER23403    296 - 296  
      ER23404    297 - 298   ER23474    299 - 300   ER23475    301 - 302  
      ER25002    303 - 307   ER27263    308 - 308   ER27266    309 - 309  
      ER27274    310 - 311   ER27276    312 - 312   ER27277    313 - 314  
      ER27279    315 - 315   ER27280    316 - 317   ER27281    318 - 318  
      ER27346    319 - 320   ER27347    321 - 322   ER27352    323 - 323  
      ER27363    324 - 325   ER27365    326 - 326   ER27366    327 - 328  
      ER27368    329 - 329   ER27369    330 - 331   ER27370    332 - 332  
      ER27442    333 - 334   ER27443    335 - 336  
   ;
run ;
proc means;
run;
